help4u

Do this step n tell me know if it works,
<>Go to Start->Control panel->Network & Sharing center ->Networks->Manage wireless networks( You will find it on the left hand side)
<>You will find Wireless connection icon, Right click on, click on properties
<>Click on wireless tab, Tick the check box which says "Use windows to configure my wireless settings"
<>Below that you will find Prefered n/ws, remove all prefered n/ws and click on OK
<>Right click on wireless connections icon again, select view available n/ws
<>Click on "Refresh the list"
<>Select ur n/w and click connect, if security is enabled it will ask for password, enter it

If this works, well and good else i will give you some more steps